These are shell scripts that help us flash our sensors faster and more reliably.
This script will download the latest firmware from luftdaten (madavi server) and flash this to the connected ESP8266 NodeMcu chip
This script will show you the chip_ID from the NodeMcu. It also selects the correct Serial port.
Esptool. There are several ways to install it.
On Linux, easiest installation is through a package manager. Ubuntu: sudo apt install esptool